Corp. Code, § 25008

(a) An offer or sale of a security is made in this state when an offer to sell is made in this state, or an offer to buy is accepted in this state, or (if both the seller and the purchaser are domiciled in this state) the security is delivered to the purchaser in this state. An offer to buy or a purchase of a security is made in this state when an offer to buy is made in this state, or an offer to sell is accepted in this state, or (if both the seller and the purchaser are domiciled in this state) the security is delivered to the purchaser in this state.

(b) An offer to sell or to buy is made in this state when the offer either originates from this state or is directed by the offeror to this state and received at the place to which it is directed. An offer to buy or to sell is accepted in this state when acceptance is communicated to the offeror in this state; and acceptance is communicated to the offeror in this state when the offeree directs it to the offeror in this state reasonably believing the offeror to be in this state and it is received at the place to which it is directed. A security is delivered to the purchaser in this state when the certificate or other evidence of the security is directed to the purchaser in this state and received at the place to which it is directed.

(c) An offer to sell or to buy is not made in this state merely because (1) the publisher circulates or there is circulated on his behalf in this state any bona fide newspaper or other publication of general, regular and paid circulation which has had more than two-thirds of its circulation outside this state during the past 12 months, or (2) a radio or television program originating outside this state is received in this state.